英制螺纹 、管牙螺纹规格、牙型对照表

英制普通螺纹 (惠氏螺纹) -- 小螺纹系列 (BA)名义尺 寸 BA No. 14 No. 13 No. 12 No. 11 No. 10 No. 9 No. 8 No. 7 No. 6 No. 5 No. 4 No. 3 No. 2 No. 1 No. 0 牙型代 号 BA BA BA BA BA BA BA BA BA BA BA BA BA BA BA 大径 mm d=D 1 1.2 1.3 1.5 1.7 1.9 2.2 2.5 2.8 3.2 3.6 4.1 4.7 5.3 6 螺距 mm p 0.23 0.25 0.28 0.31 0.35 0.39 0.43 0.48 0.53 0.59 0.66 0.73 0.81 0.9 1 每英寸 牙数 tpi 110.4 101.6 90.71 81.93 72.57 65.12 59.07 52.92 47.92 43.05 38.48 34.79 31.35 28.22 25.4 中径 mm d2=D2 0.86 1.05 1.13 1.315 1.49 1.665 1.94 2.21 2.48 2.845 3.205 3.66 4.215 4.76 5.4 小径 外螺纹 d3 0.72 0.9 0.96 1.13 1.28 1.43 1.68 1.92 2.16 2.49 2.81 3.22 3.73 4.22 4.8 牙型高 H1 0.14 0.15 0.17 0.185 0.21 0.235 0.26 0.29 0.32 0.355 0.395 0.44 0.485 0.54 0.6 底孔直 径 mm 0.75 0.95 1 1.2 1.35 1.5 1.8 2 2.3 2.6 2.95 3.4 3.9 4.4 5

英制惠氏螺纹的型式尺寸英制普通螺纹 (惠氏螺纹) -- 粗牙 (BSW) 每英寸 大径 螺距 牙数 中径 小径 牙型高 mm mm tpi mm 外螺纹 H1 牙型代 号 d=D p d2=D2 d3 1/16" BSW 1.587 0.423 60 1.315 1.05 0.27 3/32" BSW 2.381 0.529 48 2.041 1.703 0.338 1/8" BSW 3.175 0.635 40 2.768 2.362 0.406 5/32" BSW 3.969 0.793 32 3.459 2.952 0.507 3/16" BSW 4.762 1.058 24 4.084 3.407 0.677 7/32" BSW 5.556 1.058 24 4.878 4.201 0.677 1/4" BSW 6.35 1.27 20 5.537 4.724 0.813 5/16" BSW 7.938 1.411 18 7.034 6.131 0.904 3/8" BSW 9.525 1.588 16 8.509 7.492 1.017 7/16" BSW 11.113 1.814 14 9.951 8.789 1.162 1/2" BSW 12.7 2.117 12 11.345 9.99 1.355 5/8" BSW 15.876 2.309 11 14.397 12.918 1.479 3/4" BSW 19.051 2.54 10 17.424 15.798 1.627 7/8" BSW 22.226 2.822 9 20.419 18.611 1.807 1" BSW 25.4 3.175 8 23.368 21.335 2.033 1 1/8" BSW 28.576 3.629 7 26.253 23.929 2.324 1 1/4" BSW 31.751 3.629 7 29.428 27.104 2.324 1 3/8" BSW 34.926 4.233 6 32.215 29.505 2.711 1 1/2" BSW 38.1 4.233 6 35.391 32.68 2.711 1 5/8" BSW 41.277 5.08 5 38.024 34.771 3.253 1 3/4" BSW 44.452 5.08 5 41.199 37.946 3.253 1 7/8" BSW 47.627 5.645 4 1/2 44.012 40.398 3.614 2" BSW 50.802 5.645 4 1/2 47.187 43.573 3.614 名义尺 寸 Ww 底孔直 径 mm 1.15 1.9 2.5 3.2 3.7 4.5 5.1 6.5 7.9 9.2 10.4 13.4 16.25 19.25 22 24.5 27.25 30.25 33.5 35.5 38.5 41.25 44.5

2 1/4" 2 1/2" 2 3/4" 3" 3 1/4" 3 1/2" 3 3/4" 4" 4 1/4" 4 1/2" 4 3/4" 5" 5 1/4" 5 1/2" 5 3/4" 6"

BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW

57.152 63.502 69.853 76.203 82.553 88.903 95.254 101.6 107.95 114.3 120.67 127.01 133.36 139.71 146.06 152.41

6.35 6.35 7.257 7.257 7.816 7.816 8.467 8.467 8.835 8.835 9.237 9.237 9.677 9.677 10.16 10.16

4 4 3 1/2 3 1/2 3 1/4 3 1/4 3 3 2 7/8 2 7/8 2 3/4 2 3/4 2 5/8 2 5/8 2 1/2 2 1/2

53.086 59.436 65.205 71.556 77.548 83.899 89.832 96.182 102.3 108.65 114.74 121.09 127.16 133.51 139.55 145.9

49.02 55.37 60.558 66.909 72.544 78.894 84.41 90.76 96.639 102.99 108.63 115.18 120.96 127.31 133.04 139.39

4.066 4.066 4.647 4.647 5.005 5.005 5.422 5.422 5.657 5.657 5

.915 5.915 6.196 6.196 6.506 6.506

50 56 61.5 68 73.75 80 85.5 92 98 104.2 110 116.5 122.5 128.5 134.5 141

英制普通螺纹 -- 细牙 -- BSF名义尺 寸 BSF 3/16 7/32 1/4 9/32 5/16 3/8 7/16 1/2 9/16 5/8 11/16 3/4 13/16 7/8 1.00 1 1/8 1 1/4 1 3/8 1 1/2 1 5/8 1 3/4 2 2 1/4 2 1/2 2 3/4 3 3 1/4 英制普通螺纹 (惠氏螺纹) -- 细牙 (BSW) 每英寸 大径 螺距 牙数 中径 小径 牙型高 mm mm tpi mm 外螺纹 H1 牙型代 号 d=D p d2=D2 d3 BSF 4.763 0.794 32 4.255 3.747 0.508 BSF 5.556 0.907 28 4.975 4.394 0.581 BSF 6.35 0.977 26 5.725 5.1 0.625 BSF 7.142 0.977 26 6.518 5.893 0.625 BSF 7.938 1.156 22 7.199 6.459 0.739 BSF 9.525 1.27 20 8.712 7.899 0.813 BSF 11.113 1.411 18 10.209 9.304 0.904 BSF 12.7 1.588 16 11.684 10.668 1.017 BSF 14.288 1.588 16 13.272 12.256 1.017 BSF 15.875 1.814 14 14.712 13.549 1.162 BSF 17.463 1.814 14 16.3 15.137 1.162 BSF 19.05 2.117 12 17.693 16.336 1.355 BSF 20.638 2.117 12 19.281 17.924 1.355 BSF 22.225 2.309 11 20.747 19.269 1.479 BSF 25.4 2.54 10 23.774 22.148 1.627 BSF 28.575 2.822 9 26.769 24.963 1.807 BSF 31.75 2.822 9 29.944 28.138 1.807 BSF 34.925 3.175 8 32.893 30.861 2.033 BSF 38.1 3.175 8 36.068 34.036 2.033 BSF 41.275 3.175 8 39.243 37.211 2.033 BSF 44.45 3.629 7 42.126 39.802 2.324 BSF 50.8 3.629 7 48.476 46.152 2.324 BSF 57.15 4.234 6 54.44 51.73 2.711 BSF 63.5 4.234 6 60.79 58.08 2.711 BSF 69.85 4.234 6 67.14 64.43 2.711 BSF 76.2 5.08 5 72.946 69.692 3.253 BSF 82.55 5.08 5 79.296 76.042 3.253 底孔直 径 mm 4 4.6 5.3 6.1 6.8 8.3 9.7 11.1 12.7 14 15.5 16.75 18.25 19.75 22.75 26.5 28.75 31.5 34.5 38 40.5 47 53 59 -

3 1/2 3 3/4 4 4 1/4

BSF BSF BSF BSF

88.9 95.25 101.6 107.95

5.645 5.645 5.645 6.35

4 1/2 4 1/2 4 1/2 4

85.285 81.67 91.635 88.02 97.985 94.37 103.89 99.822

3.614 3.614 3.614 4.066

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55° 圆柱管螺纹的型式和尺寸British Pipe Thread (惠氏管螺纹) -- 圆柱 (BSPP/BSPF) 每英寸 牙型高 大径 螺距 牙数 中径 小径 度 mm mm tpi mm 外螺纹 H1 基本尺 寸 d=D p d2=D2 d3 1/8" 9.728 0.907 28 9.147 8.566 0.581 1/4" 13.157 1.337 19 12.301 11.445 0.856 3/8" 16.662 1.337 19 15.806 14.95 0.856 1/2" 20.955 1.814 14 19.793 18.631 1.162 5/8" 22.911 1.814 14 21.749 20.587 1.162 3/4" 26.441 1.814 14 25.279 24.117 1.162 7/8" 30.201 1.814 14 29.039 27.877 1.162 1" 33.249 2.309 11 31.77 30.291 1.479 1 1/8" 37.897 2.309 11 36.418 34.939 1.479 1 1/4" 41.91 2.309 11 40.431 38.952 1.479 1 3/8" 44.323 2.309 11 42.844 41.365 1.479 1 1/2" 47.803 2.309 11 46.324 44.845 1.479 1 3/4" 53.746 2.309 11 52.267 50.788 1.479 2" 59.614 2.309 11 58.135 56.656 1.479 2 1/4" 65.71 2.309 11 64.231 62.752 1.479 2 1/2" 75.184 2.309 11 73.705 72.226 1.479 2 3/4" 81.534 2.309 11 80.05 …… 此处隐藏：6034字，全部文档内容请下载后查看。喜欢就下载吧 ……